<html>
	<head>		
		<title>透明度变换</title>
		<link rel="stylesheet" type="text/css" href="../css/11-8.css">
		<script src="../js/jquery-3.7.1.js"></script>
		<script src="../js/11-8.js"></script>
	</head>
	<body>				
		<div>
			<div id="d1"></div>
			<div id="d2"></div>
			<div id="d3"></div>
			<div id="d4"></div>
		</div>		
	</body>
</html>


